Home / 17,858.24-26,787.44-5,378.32

Finding the Fourth Proportional to 17,858.24, 26,787.44 and 5,378.32

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Solution

The fourth proportional to 17,858.24, 26,787.44 and 5,378.32 is: 8,067.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,858.24 : 26,787.44 = 5,378.32 : x
  2. Step 2: Convert to fraction form
    17,858.24/26,787.44 = 5,378.32/x
  3. Step 3: Cross multiply
    17,858.24x = 26,787.44 × 5,378.32
  4. Step 4: Simplify right side
    17,858.24x = 144,071,424.30
  5. Step 5: Solve for x
    x = 144,071,424.30/17,858.24
  6. Step 6: Final answer
    x = 8,067.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.